December 18th, 2020: What did you learn this week?

Nick Taylor - Dec 18 '20 - - Dev Community

It's that time of the week again.

So wonderful devs, what did you learn this week? It could be programming tips, career advice etc.

![Deadpool and his cohorts chatting](https://media.giphy.com/media/w7fJO4TOqiaSQ/giphy-downsized-large.gif)

Feel free to comment with what you learnt and/or reference your TIL post to give it some more exposure.

#todayilearned

Summarize a concept that is new to you.

And remember, if something you learnt was a big win for you, then you know where to drop it as well.πŸ‘‡πŸ‘‡πŸ»πŸ‘‡πŸΌπŸ‘‡πŸ½πŸ‘‡πŸΎπŸ‘‡πŸΏ

![Big win. Danny Devito walking away from a huge explosion](https://media.giphy.com/media/U6pavBhRsbNbPzrwWg/giphy-downsized-large.gif)
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